net: fix leaking sockets in dial_tcp if connect errors

core/net/socket_freebsd.odin

@@ -114,8 +114,8 @@ _dial_tcp_from_endpoint :: proc(endpoint: Endpoint, options := default_tcp_optio
 	sockaddr := _endpoint_to_sockaddr(endpoint)
 	errno := freebsd.connect(cast(Fd)socket, &sockaddr, cast(freebsd.socklen_t)sockaddr.len)
 	if errno != nil {
-		err = cast(Dial_Error)errno
-		return
+		close(socket)
+		return {}, cast(Dial_Error)errno
 	}
 
 	return